coumarin

[koo-muh-rin]
noun
a fragrant crystalline substance, C 9 H 6 O 2 , obtained from the tonka bean, sweet clover, and certain other plants or prepared synthetically, used chiefly in soaps and perfumery.
Also, cumarin.


Origin:
1820–30; < French coumarine, equivalent to coumar(ou) tonka-bean tree (< Spanish cumarú < Portuguese < Tupi cumaru) + -ine -in2

Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
Cite This Source Link To Coumarin
Collins
World English Dictionary
coumarin or cumarin (ˈkuːmərɪn)
 
n
a white vanilla-scented crystalline ester, used in perfumes and flavourings and as an anticoagulant. Formula: C9H6O2
 
[C19: from French coumarine, from coumarou tonka-bean tree, from Spanish cumarú, from Tupi]
 
cumarin or cumarin
 
n
 
[C19: from French coumarine, from coumarou tonka-bean tree, from Spanish cumarú, from Tupi]
 
'coumaric or cumarin
 
adj
 
'cumaric or cumarin
 
adj

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
Cite This Source
American Heritage
Science Dictionary
coumarin   (k'mər-ĭn)  Pronunciation Key 
A fragrant crystalline compound extracted from several plants, such as tonka beans and sweet clover, or produced synthetically. Coumarin and its derivatives are widely used in perfumes, as anticoagulants, and as rodenticides. Chemical formula: C9H6O2.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
Cite This Source
Encyclopedia Britannica
Encyclopedia

coumarin

an organic compound having the characteristic odour of new-mown hay, obtainable from the tonka tree (native to Guyana) or by chemical synthesis. It is used in perfumes and flavourings and for the preparation of other chemicals

Learn more about coumarin with a free trial on Britannica.com.

Encyclopedia Britannica, 2008. Encyclopedia Britannica Online.
Cite This Source
Example sentences
The subject was coumarin, an additive that had been shown to have a carcinogenic property which caused tumors in rats and mice.
Coumarin is known to cause liver and kidney damage in high concentrations.
Copyright © 2014 Dictionary.com, LLC. All rights reserved.
  • Please Login or Sign Up to use the Recent Searches feature